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Cheap flights from Seattle to Kaohsiung City from $421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kaohsiung City departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Kaohsiung City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:49 pm - 9:25 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
38h 36m3 stops Denver Intl San Francisco Tokyo Narita
United Airlines Logo
11:30 am - 2:39 pmKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
19h 09m2 stops Tokyo Narita San Francisco
$815United Airlines
Fri, Oct 30 - Mon, Nov 16
United Airlines Logo
8:35 pm - 9:25 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
33h 50m2 stops San Francisco Tokyo Narita
United Airlines Logo
11:30 am - 4:27 pmKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
20h 57m2 stops Tokyo Narita San Francisco
$817United Airlines
Fri, Oct 30 - Mon, Nov 16
Cathay Pacific Logo
10:50 am - 11:15 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
20h 25m1 stop Hong Kong Intl
Cathay Pacific Logo
7:35 am - 9:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
17h 35m1 stop Hong Kong Intl
$880Cathay Pacific
Mon, Jan 11 - Thu, Jan 14
Cathay Pacific Logo
10:50 am - 11:15 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
20h 25m1 stop Hong Kong Intl
Cathay Pacific Logo
7:35 am - 9:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
17h 35m1 stop Hong Kong Intl
$918Cathay Pacific
Mon, Jan 11 - Thu, Jan 14
Multiple Airlines Logo
7:08 pm - 10:10 amSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
24h 02m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
7:25 pm - 10:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
29h 45m1 stop Hong Kong Intl
$919Multiple Airlines
Thu, Oct 15 - Sun, Oct 25
Multiple Airlines Logo
7:57 pm - 12:15 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
25h 18m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
6:55 am - 9:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
18h 15m1 stop Hong Kong Intl
$951Multiple Airlines
Fri, Oct 30 - Mon, Nov 16
Cathay Pacific Logo
10:50 am - 11:15 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
20h 25m1 stop Hong Kong Intl
Cathay Pacific Logo
7:35 am - 6:46 pmKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
27h 11m2 stops Hong Kong Intl Vancouver Intl
$962Cathay Pacific
Mon, Jan 11 - Thu, Jan 14
Multiple Airlines Logo
3:44 pm - 12:15 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
29h 31m2 stops San Francisco Hong Kong Intl
Multiple Airlines Logo
6:55 am - 9:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
18h 15m1 stop Hong Kong Intl
$968Multiple Airlines
Sat, Oct 24 - Wed, Jan 27
Cathay Pacific Logo
11:45 am - 10:25 amSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
31h 40m1 stop Hong Kong Intl
Cathay Pacific Logo
6:55 am - 9:10 amKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
18h 15m1 stop Hong Kong Intl
$988Cathay Pacific
Sat, Oct 24 - Wed, Jan 27
ANA Logo
4:30 pm - 3:40 pmSEA  Seattle/Tacoma Intl-KHH Kaohsiung City
32h 10m1 stop Tokyo Haneda
ANA Logo
7:00 am - 2:20 pmKHH  Kaohsiung City-SEA Seattle/Tacoma Intl
22h 20m1 stop Tokyo Narita
$989ANA
Thu, Oct 15 - Sun, Oct 25

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United Airlines flights from Seattle to Kaohsiung City

Our best United Airlines deals on Seattle to Kaohsiung City flight tickets
United Airlines
Oct 30
SEA3:49 pmSeattle/Tacoma Intl
38h 36m
3 stops
KHH9:25 pmKaohsiung City
Nov 16
KHH11:30 amKaohsiung City
19h 09m
2 stops
SEA2:39 pmSeattle/Tacoma Intl
$815
United Airlines
Oct 30
SEA8:35 pmSeattle/Tacoma Intl
33h 50m
2 stops
KHH9:25 pmKaohsiung City
Nov 16
KHH11:30 amKaohsiung City
20h 57m
2 stops
SEA4:27 pmSeattle/Tacoma Intl
$817
United Airlines
Aug 23
SEA6:30 amSeattle/Tacoma Intl
47h 30m
3 stops
KHH9:00 pmKaohsiung City
Aug 26
KHH9:55 amKaohsiung City
28h 09m
3 stops
SEA11:04 pmSeattle/Tacoma Intl
$947

Cathay Pacific flights from Seattle to Kaohsiung City

Our best Cathay Pacific deals on Seattle to Kaohsiung City flight tickets
Cathay Pacific
Jan 11
SEA10:50 amSeattle/Tacoma Intl
20h 25m
1 stop
KHH11:15 pmKaohsiung City
Jan 14
KHH7:35 amKaohsiung City
17h 35m
1 stop
SEA9:10 amSeattle/Tacoma Intl
$880
Cathay Pacific
Jan 11
SEA10:50 amSeattle/Tacoma Intl
20h 25m
1 stop
KHH11:15 pmKaohsiung City
Jan 14
KHH7:35 amKaohsiung City
17h 35m
1 stop
SEA9:10 amSeattle/Tacoma Intl
$918
Cathay Pacific
Jan 11
SEA10:50 amSeattle/Tacoma Intl
20h 25m
1 stop
KHH11:15 pmKaohsiung City
Jan 14
KHH7:35 amKaohsiung City
27h 11m
2 stops
SEA6:46 pmSeattle/Tacoma Intl
$962

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Kaohsiung City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 15, 2026.
Use the filters below to find and compare flights from Seattle to Kaohsiung City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Fri 10/30

3:49 pm-9:25 pm

3 stops38h 36m

Kaohsiung City

Mon 11/16

11:30 am-2:39 pm

2 stops19h 09m

$815

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Fri 10/30

8:35 pm-9:25 pm

2 stops33h 50m

Kaohsiung City

Mon 11/16

11:30 am-4:27 pm

2 stops20h 57m

$817
Quickest round-trip

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Mon 1/11

10:50 am-11:15 pm

1 stop20h 25m

Kaohsiung City

Thu 1/14

7:35 am-9:10 am

1 stop17h 35m

$880

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Mon 1/11

10:50 am-11:15 pm

1 stop20h 25m

Kaohsiung City

Thu 1/14

7:35 am-9:10 am

1 stop17h 35m

$918

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Thu 10/15

7:08 pm-10:10 am

2 stops24h 02m

Kaohsiung City

Sun 10/25

7:25 pm-10:10 am

1 stop29h 45m

$919

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Fri 10/30

7:57 pm-12:15 pm

2 stops25h 18m

Kaohsiung City

Mon 11/16

6:55 am-9:10 am

1 stop18h 15m

$951

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Mon 1/11

10:50 am-11:15 pm

1 stop20h 25m

Kaohsiung City

Thu 1/14

7:35 am-6:46 pm

2 stops27h 11m

$962

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Sat 10/24

3:44 pm-12:15 pm

2 stops29h 31m

Kaohsiung City

Wed 1/27

6:55 am-9:10 am

1 stop18h 15m

$968

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Sat 10/24

11:45 am-10:25 am

1 stop31h 40m

Kaohsiung City

Wed 1/27

6:55 am-9:10 am

1 stop18h 15m

$988

SeattleKaohsiung City

SEA Seattle/Tacoma Intl - KHH Kaohsiung City

SEAKHH

Seattle/Tacoma Intl

Thu 10/15

4:30 pm-3:40 pm

1 stop32h 10m

Kaohsiung City

Sun 10/25

7:00 am-2:20 pm

1 stop22h 20m

$989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Kaohsiung City

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Can stopping save me money on Seattle to Kaohsiung City flights?

You could potentially save up to 13% on your flight if you consider stops on a Seattle to Kaohsiung City flight.

When to book flights from Seattle to Kaohsiung City

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Kaohsiung City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Kaohsiung City (SEA to KHH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kaohsiung City

Fastest flight time

20h 25m

Direct flights

None
The fastest flight from Seattle to Kaohsiung City takes 20h 25m
There are no direct flights from Seattle to Kaohsiung City. There are no popular flight routes from Seattle to Kaohsiung City.
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Frequently asked questions about flying from Seattle to Kaohsiung City

  • How far is Seattle/Tacoma Intl to Kaohsiung City by plane?

    The straight-line distance from Seattle/Tacoma Intl to Kaohsiung City is 6221.3 mi. Typically, this will take 20h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kaohsiung City Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kaohsiung City Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kaohsiung City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kaohsiung City Airport.

  • What documentation or ID do you need to fly to Kaohsiung City Airport?

    The travel and health documents you'll need for your trip to Kaohsiung City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kaohsiung City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kaohsiung City?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kaohsiung City from Seattle.

Can I find flights from Seattle to Kaohsiung City with flexible booking policies on momondo?

All flight searches from Seattle to Kaohsiung City on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Kaohsiung City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Kaohsiung City.

I’m not ready to book a flight from Seattle to Kaohsiung City right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Kaohsiung City, momondo offers a useful price alert feature which will track prices for flights to Kaohsiung City from Seattle and alert you when they change.

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Cabin classes currently available on flights to Kaohsiung City

List of cabin classes available on flights landing in Kaohsiung City. Availability may vary depending on flight origin and airline.
First Class to Kaohsiung City
Business Class to Kaohsiung City